We're not psychics; all we can tell from the information you've provided so far is that your network allows pings (ICMP ECHO requests and responses). Your delay with nslookup might be due to misconfigured reverse DNS per FAQ 8.22. Then again, it might not.

If you want help from us, you'll have to provide more information. Examples:

Cool, will surely get that information for you, just that I have never had to deal with anything like that before, on my linux machines. Guess I had some wrong assumptions about general networking issues.